Domain > prajnagarden.com

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Property	Value
Email	contact@privacyprotect.org
NameServer	NS2.31DNS.NET
Created	2010-11-25 00:00:00
Changed	2014-11-22 00:00:00
Expires	2016-11-25 00:00:00
Registrar	PDR LTD. D/B/A PUBLI

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2025-03-25	185.199.110.153 (ClassC)

HTTP/1.1 200 OKConnection: keep-aliveContent-Length: 10867Server: GitHub.comContent-Type: text/html; charsetutf-8Last-Modified: Sat, 16 Jan 2021 16:17:03 GMTAccess-Control-Allow-Origin: *ETag: 6003117f-2a73expires: Tue, 25 Mar 2025 04:27:24 GMTCache-Control: max-age600x-proxy-cache: MISSX-GitHub-Request-Id: FE9A:17E4CE:8F66E8:942A89:67E22E52Accept-Ranges: bytesAge: 0Date: Tue, 25 Mar 2025 04:17:24 GMTVia: 1.1 varnishX-Served-By: cache-bfi-krnt7300075-BFIX-Cache: MISSX-Cache-Hits: 0X-Timer: S1742876245.712896,VS0,VE93Vary: Accept-EncodingX-Fastly-Request-ID: df88d7b9928ce1db3843115e800de9ed9050b7a2

!DOCTYPE html>html langen>  head>    meta charsetutf-8>    title>雪之痕，亦人生/title>        meta nameauthor contentKevin Zhang>    !-- Le HTML5 shim, for IE6-8 support of HTML elements -->    !--if lt IE 9>      script srchttp://html5shim.googlecode.com/svn/trunk/html5.js>/script>    !endif-->    !-- Le styles -->    link href/assets/themes//css/1.4.0/bootstrap.css relstylesheet>    link href/assets/themes//css/pygments.css relstylesheet>    link href/assets/themes//css/style.css?body1 relstylesheet typetext/css mediaall>    !-- Le fav and touch icons -->  !-- Update these with your own images    link relshortcut icon hrefimages/favicon.ico>    link relapple-touch-icon hrefimages/apple-touch-icon.png>    link relapple-touch-icon sizes72x72 hrefimages/apple-touch-icon-72x72.png>    link relapple-touch-icon sizes114x114 hrefimages/apple-touch-icon-114x114.png>  -->  /head>  body>    div classtopbar>      div classfill>        div classcontainer>          a classbrand href/>Prajna Is Wisdom/a>          ul classnav>                                                      	      	li>a href/aboutme>关于我/a>/li>      	                            	      	li>a href/archive>归档/a>/li>      	                            	      	li>a href/categories>分类/a>/li>      	                                                            	      	li>a href/tags>标签/a>/li>      	                                            /ul>        /div>      /div>	  !--	  div stylewidth:250px; height:10px;float:right;>gcse:search>/gcse:search>/div>		-->	/div>    div classcontainer>      div classcontent>        div classpage-header>span classsignature>雪之痕，忆人生！/span>br/>span classsignature_small>——世外烟霞亦许时，至今风致后人思。却怀刘项当年事，不及山中一著棋。/span>/div>div classrow>  div classspan14>    h2 id引言>引言/h2>p>往事不堪回首，当年的OpenStack已然成为全球最为火热的开源软件。遥想当年为啥选择OpenStack，貌似就因为自己不怎么喜欢桉树。当年在某个项目的选型当中，几乎就要选择了桉树，后来就仅仅因为我感觉OpenStack不错而选择了它。记得当时还只有D版本刚刚出来，貌似当时国内还没有人在生产上用这东西。现在想来，当初估计是年轻的轻狂，也硬着头皮把项目搞了下来。/p>p>OpenStack给我带来了全新的领域和全新的朋友，还记得当年满大街找做OpenStack的兄弟的时光。最后也就是寥寥几人，Intel的一波兄弟、新浪的一波（估计是我太渺小，始终未搭上线）、还有一波游兵散将（我也算一个吧）。搞了这么多年OpenStack后发现后起之秀很多，但那波老人到底还有多人个还奋斗在OpenStack的圈子里面，每每聊起来有一种伤感，酒不醉人人自醉。仅献给还在一线奋斗的OpenStack老人们，愿不远的将来OpenStack繁荣昌盛、遍地开花结果。Come on!/p>h2 id后记>后记/h2>p>em>写于2021年1月16日23:15/em>/p>p>发现引言已经都是5年前，OpenStack真的快十年了。近几年抓紧多看点课外书，多感受生活和今后10年的趋势是什么？/p>hr />h2 id阅读>阅读/h2>table width100% rowspan0 colspan0>tr>td width221px>img srcassets/image/openstack.jpg altOpenStack />/td>td>div width100%>a href/openstack/2015/12/18/instance-boot-workflow-troubleshooting classopenstack_url>有效定位和解决OpenStack问题br />/a>span classopenstack_data>18 Dec 2015 Kevin Zhang/span>br />对OpenStack这样一个庞大的系统，遇到问题是一个比较常见的情况。当遇到问题时，如何精确的定位、分析、解决问题肯定是诸多Stacker最关心的问题，本文借鉴OpenStack社区的一些思路和自己积累的一些经验做了个总结，希望对OpenStack的用户有一定的借鉴意义。div stylefloat:right;>a href/openstack/2015/12/18/instance-boot-workflow-troubleshooting>阅读全文/a>/div>hr styleheight:1px;border:none;border-top:1px dashed #0066CC; />/div>div width100%>a href/openstack/2014/05/06/rally-guide-01 classopenstack_url>OpenStack Performance Testing——Rally入门br />/a>span classopenstack_data>06 May 2014 Kevin Zhang/span>br />一直很多人关心OpenStack的性能测试，OpenStack官方孵化项目Rally对这块的测试给出了一个框架，并且实现了一些测试的用例。当年Mirantis刚刚提出这个项目的时候关注了一下，最近国内某基于OpenStack的公有云在压力测试的时候打我电话，结果貌似他们也用了这个。简单的写个入门指南，希望更多的兄弟投身到OpenStack测试的大军里面，这样OpenStack才能真的长大。div stylefloat:right;>a href/openstack/2014/05/06/rally-guide-01>阅读全文/a>/div>hr styleheight:1px;border:none;border-top:1px dashed #0066CC; />/div>div width100%>a href/openstack/2014/05/06/openstack-tempest-guide classopenstack_url>OpenStack Tempest入门介绍br />/a>span classopenstack_data>06 May 2014 Kevin Zhang/span>br />主要简单介绍一些OpenStack Tempest项目的一些情况，并根据自己的理解给出一个测试的案例。为OpenStack后续的功能性测试和性能测试做铺垫。div stylefloat:right;>a href/openstack/2014/05/06/openstack-tempest-guide>阅读全文/a>/div>hr styleheight:1px;border:none;border-top:1px dashed #0066CC; />/div>div width100%>a href/openstack/2014/05/06/keystone-tunning-01 classopenstack_url>Keystone Performance简单测试和分析br />/a>span classopenstack_data>06 May 2014 Kevin Zhang/span>br />还在用keystone默认wgsi提供接入的同学，赶紧换apahce的wgsi吧。早先时候写过一篇关于keystone把token这块从数据库移植到memcached。当时一直比较忙，没有深入的去研究一些问题。今天早上刚好把Rally玩了一下，keystone的数据有点惨，顺便做了一些keystone相关的tunning。后面看样子还是有很多工作要做，OpenStack测试任重道远呀。div stylefloat:right;>a href/openstack/2014/05/06/keystone-tunning-01>阅读全文/a>/div>hr styleheight:1px;border:none;border-top:1px dashed #0066CC; />/div>div width100%>a href/openstack/2014/03/31/how-many-vm-one-kvm-server classopenstack_url>KVM一个物理节点到底能跑多少个VMbr />/a>span classopenstack_data>31 Mar 2014 Kevin Zhang/span>br />今天有个兄弟打电话问我:OpenStack要跑上W个虚拟机做测试，说心里没谱，到底能不能跑。我当时就蒙,40台左右服务器跑1W个虚拟机，这个问题真心难倒我了，不知道该怎么回答。为了解答这个问题，晚上抽了个把小时在trystack上试了一把，仅供参考。div stylefloat:right;>a href/openstack/2014/03/31/how-many-vm-one-kvm-server>阅读全文/a>/div>hr styleheight:1px;border:none;border-top:1px dashed #0066CC; />/div>div width100%>a href/openstack/2014/03/27/openstack-qa classopenstack_url>OpenStack QAbr />/a>span classopenstack_data>27 Mar 2014 Kevin Zhang/span>br />抽空整理的自己在使用OpenStack中的一些问题，分享出来，大家一起看看，如果有什么地方不对的还请指正。div stylefloat:right;>a href/openstack/2014/03/27/openstack-qa>阅读全文/a>/div>hr styleheight:1px;border:none;border-top:1px dashed #0066CC; />/div>div width100%>a href/openstack/2014/01/19/mirantis-fuel-40 classopenstack_url>Mirantis Fuel 4.0br />/a>span classopenstack_data>19 Jan 2014 Kevin Zhang/span>br />根据最新的Mirantis OpenStack整理了安装和使用手册，仅供大家参考！div stylefloat:right;>a href/openstack/2014/01/19/mirantis-fuel-40>阅读全文/a>/div>hr styleheight:1px;border:none;border-top:1px dashed #0066CC; />/div>div width100%>a href/openstack/2013/12/20/openstack-rdo-guide classopenstack_url>OpenStack RDO guidebr />/a>span classopenstack_data>20 Dec 2013 Kevin Zhang/span>br />基于Redhat的RDO版本的安装，其实手工安装也不是很麻烦。初学者可以试着先RPM一个个装一下，有利于入门。div stylefloat:right;>a href/openstack/2013/12/20/openstack-rdo-guide>阅读全文/a>/div>hr styleheight:1px;border:none;border-top:1px dashed #0066CC; />/div>div stylewidth:50%;margin-left:auto;margin-right:auto;text-align:center;clear:both;>    a href/archive.html>查看所有18篇文章.../a>/div>/td>/tr>/table>hr />h2 id技术>技术/h2>ul>      li> 30 Sep 2016» a href/tc/2016/09/30/ansible-learn>ansible学习/a>/li>      li> 03 Feb 2016» a href/tc/2016/02/03/vim-python-pdb>python开发工具和调试/a>/li>      li> 31 Dec 2015» a href/tc/2015/12/31/ceph-learning01>ceph学习和观察/a>/li>  /ul>hr />h2 id生活>生活/h2>ul>      li> 31 Dec 2013» a href/life/2013/12/31/end-of-2013>我的2013，我的OpenStack/a>/li>      li> 10 Dec 2013» a href/life/2013/12/10/cherish-talk>珍惜每一次于别人交流的机会/a>/li>  /ul>hr />  /div>/div>      /div>      footer>	  p>© a hrefmailto:zhangjinan@hotmail.com>Kevin Zhang/a> 2012 - 2021 版权所有，转载请注明出处br/>	    br />本作品采用a rellicense hrefhttp://creativecommons.org/licenses/by-nc-sa/3.0/cn/>知识共享署名-非商业性使用-相同方式共享 3.0 中国大陆许可协议/a>进行许可。        /p>      /footer>    /div> !-- /container -->      script typetext/javascript>  var _gaq  _gaq || ; 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HTTP/1.1 200 OKConnection: keep-aliveContent-Length: 10867Server: GitHub.comContent-Type: text/html; charsetutf-8Last-Modified: Sat, 16 Jan 2021 16:17:03 GMTAccess-Control-Allow-Origin: *ETag: 6003117f-2a73expires: Tue, 25 Mar 2025 04:27:24 GMTCache-Control: max-age600x-proxy-cache: MISSX-GitHub-Request-Id: 6A57:218F87:933DEA:980226:67E22E53Accept-Ranges: bytesAge: 0Date: Tue, 25 Mar 2025 04:17:24 GMTVia: 1.1 varnishX-Served-By: cache-bfi-kbfi7400091-BFIX-Cache: MISSX-Cache-Hits: 0X-Timer: S1742876245.869475,VS0,VE79Vary: Accept-EncodingX-Fastly-Request-ID: 2814580451acf8f4865b3deb4a930508f8785d70

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